2025 GMC Sierra 2500HD SLT

A one-owner Duramax with this much equipment, this clean of a color combination and this level of heavy-duty capability deserves your attention. This 2025 GMC Sierra 2500HD SLT Crew Cab 4x4 is finished in deep Onyx Black with chrome bumpers, chrome assist steps and sharp exterior accents. Bright-face 20-inch wheels with dark-painted pockets and all-terrain tires give it a strong factory stance, while the Jet Black leather interior brings premium comfort to this serious work truck. Under the hood is the highly sought-after 6.6-liter Duramax turbo-diesel V8, paired with the smooth Allison 10-speed automatic transmission. This proven combination delivers the power needed for demanding towing, hauling and long highway trips. An Auto-Locking rear differential, 3.42 rear axle ratio, two-speed Autotrac transfer case and 11,350-pound GVWR package give this Sierra the hardware to handle heavy-duty use with confidence. This truck is properly equipped for towing with a factory trailering package, integrated trailer brake controller and Vehicle Trailering App. Stabilitrak with Trailer Sway Control and Hill Start Assist help keep the truck and trailer controlled, while Digital Variable Steering Assist makes the Sierra easier to manage at different speeds. Power-folding, extending and heated trailering mirrors with auto-dimming glass provide a better view around a load, and the 220-amp alternator, independent front suspension and multi-leaf rear springs add to its work-ready setup. The SLT Premium Package combines some of the most desirable comfort, technology and safety equipment available on this truck. The Jet Black leather cabin features heated and ventilated front bucket seats, heated rear outboard seats, 10-way power adjustment, driver-seat and mirror memory, and a heated leather-wrapped steering wheel. A full center console, dual-zone automatic climate control, premium floor liners, power-sliding rear window, universal home remote and power sunroof make this Sierra comfortable enough for daily driving and long-distance travel. Technology includes the Premium GMC Infotainment System with a 13.4-inch color touchscreen, Google built-in compatibility, available navigation, Bluetooth and wireless Apple CarPlay and Android Auto. A 12.3-inch color Driver Information Center places important vehicle information directly in front of the driver. Bose premium audio, wireless device charging, SiriusXM, USB ports, keyless open and start, remote start, and 120-volt power outlets in both the cabin and cargo bed add convenience for work and everyday use. Safety equipment includes Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Lane Departure Warning, a Following Distance Indicator and IntelliBeam automatic high beams. The Sierra HD Pro Safety Plus Package adds Front and Rear Park Assist, Rear Cross Traffic Alert, Trailer Side Blind Zone Alert, HD Surround Vision, trailer camera provisions, a Bed View Camera and the Safety Alert Seat. Tire-pressure monitoring with Tire Fill Alert, brake-pad monitoring, Buckle to Drive and Teen Driver Mode add another layer of awareness behind the wheel. The exterior is ready for work or play with a spray-on bedliner, GMC MultiPro Tailgate, LED cargo-area lighting, CornerStep rear bumper, rear wheelhouse liners, front recovery hooks and animated LED projector headlights. Unique Trucks is located in Scottsdale, Arizona, specializing in lifted trucks, diesel trucks and hard-to-find 4x4 vehicles like this Sierra. We are a one-of-a-kind dealership where the price you see is the price you pay—everything is included, with no additional markups. Come take this one-owner 2500HD SLT for a test drive, or call us to make your best deal over the phone. Our no-obligation delivery service can bring it directly to your doorstep so you can see it, touch it and experience it from the comfort of your own home.